| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 01/25/2012 | CN102333251A Method and device for manufacturing array plate insulation layer of microphone casing frame |
| 01/25/2012 | CN101370319B Headphone structure and its manufacturing method |
| 01/24/2012 | US8099855 Methods for fabricating perpendicular recording heads with controlled separation regions |
| 01/24/2012 | US8099853 Method for manufacturing boundary acoustic wave device |
| 01/19/2012 | WO2012008460A1 Electrostatic loudspeaker and process for manufacturing electrostatic loudspeaker |
| 01/19/2012 | US20120014543 Electrostatic speaker and manufacturing method thereof and conductive backplate of the speaker |
| 01/19/2012 | US20120012730 Hard Disc Drive Counter-Vibration System |
| 01/19/2012 | DE102010013565A1 Elektromechanischer Wandler und Verfahren zur Herstellung des elektromechanischen Wandlers An electromechanical transducer and method of manufacturing the electromechanical transducer |
| 01/18/2012 | CN102326415A Speaker diaphragm, speaker, and speaker diaphragm manufacturing method |
| 01/18/2012 | CN102325297A Production process for internally and externally wound voice coil |
| 01/18/2012 | CN102325296A Rapid installation device of subsidiary magnet of speaker |
| 01/18/2012 | CN102325293A Electret polarization device and method for polarization by adopting same |
| 01/17/2012 | US8096042 Method for manufacturing a quartz crystal resonator, quartz crystal unit and quartz crystal oscillator |
| 01/12/2012 | WO2012006213A1 Drive pin forming method and assembly for a transducer |
| 01/12/2012 | WO2012006212A1 Earphone driver and method of manufacture |
| 01/12/2012 | US20120008804 Drive pin forming method and assembly for a transducer |
| 01/12/2012 | DE102010026519A1 Micro-electro-mechanical system microphone for use in mobile telephone, has sound inlet port arranged in cover or in carrier, and sealing structure attached around sound inlet port on microphone |
| 01/11/2012 | CN102318369A Semiconductor device |
| 01/10/2012 | US8091210 Method for providing a structure in magnetic recording transducer |
| 01/10/2012 | US8091209 Magnetic sensing device including a sense enhancing layer |
| 01/05/2012 | US20120002837 Speaker and method of assembling same |
| 01/05/2012 | DE10303263B4 Mikrophonanordnung Microphone array |
| 01/04/2012 | CN202103854U Semi-automatic rotary table film-gluing machine |
| 01/04/2012 | CN102308375A Methods for manufacturing ultrasound transducers and other components |
| 01/04/2012 | CN102308351A Process for manufacturing electret, and electrostatic induction-type conversion element |
| 01/04/2012 | CN102307324A Insert molded surround with mechanical support |
| 01/04/2012 | CN101355827B Integrated preparation method for integrated circuit and capacitance type micro-silicon microphone single slice as well as chip |
| 12/29/2011 | US20110316389 Ultrasound probe and manufacturing method thereof |
| 12/29/2011 | US20110316387 Ultrasonic transducer and fabricating the same |
| 12/28/2011 | EP2400515A1 Process for manufacturing electret, and electrostatic induction-type conversion element |
| 12/28/2011 | CN102300142A Loudspeaker diaphragm and loudspeaker including the loudspeaker diaphragm |
| 12/27/2011 | US8082658 Controlled lapping for an ABS damascene process |
| 12/27/2011 | US8082657 Method for manufacturing an electrical lapping guide for magnetic write head core width optimization |
| 12/27/2011 | US8082656 Method for manufacturing a disk drive head suspension |
| 12/22/2011 | WO2011158429A1 Converter module and method for manufacturing same |
| 12/22/2011 | US20110309896 Two-track surface acoustic wave device with interconnecting grating |
| 12/22/2011 | US20110308317 Method for manufacturing an ultrasonic transducer for use in a fluid medium |
| 12/21/2011 | CN102291648A 一种电磁振动装置的外围盆架及其制作方法 Peripheral Penjia its production methods an electromagnetic vibration device |
| 12/21/2011 | CN101099412B 扬声器用振动板的制造方法、利用该制造方法制造的扬声器用振动板以及使用该扬声器用振动板的扬声器 The method for manufacturing a speaker diaphragm by using the manufacturing method of manufacturing a speaker diaphragm and using the speaker diaphragm of the speaker |
| 12/20/2011 | US8079135 Method for providing a perpendicular magnetic recording (PMR) transducer |
| 12/14/2011 | CN102281818A 超声波探头的制造方法以及超声波探头 The method of manufacturing an ultrasonic probe and an ultrasonic probe |
| 12/14/2011 | CN102281491A 制造扬声器纸音盆的自动机 Manufacture of paper cone speaker automaton |
| 12/14/2011 | CN102281490A 电容式麦克风制程 Condenser Microphone process |
| 12/14/2011 | CN102281485A 微型发声器 Mini sounder |
| 12/14/2011 | CN101102622B 振动膜组装体的制造方法以及电容式传声器 The method of manufacturing the diaphragm assembly and the condenser microphone |
| 12/13/2011 | US8074345 Method of measuring a bevel angle in a write head |
| 12/13/2011 | US8074342 Radio connection method |
| 12/13/2011 | US8074341 Boundary acoustic wave device manufacturing method |
| 12/07/2011 | CN1956605B 一种螺旋型电喇叭的制造方法 A method of manufacturing a spiral horn |
| 12/07/2011 | CN1666569B 多层扬声器振膜 Multi-speaker diaphragm |
| 12/07/2011 | CN1663320B 音频扬声器及装配音频扬声器的方法 Audio speaker audio speaker and assembly methods |
| 12/06/2011 | US8069554 Assembly and method for installing a disc clamp |
| 12/06/2011 | US8069549 Method for sealing a quartz crystal device |
| 12/01/2011 | WO2011148740A1 Acoustic sensor, acoustic transducer, microphone using the acoustic transducer, and method for producing acoustic transducer |
| 12/01/2011 | WO2011148618A1 Ultrasonic probe and method of manufacturing thereof |
| 12/01/2011 | US20110293114 Condenser microphone unit and method of manufacturing diaphragm assembly of condenser microphone |
| 12/01/2011 | US20110289764 Method of Assembling A Hearing Aid |
| 11/30/2011 | CN202059579U 一种可对带金属环的膜片切割的切割装置 A cutting device can cut the strips of metal ring |
| 11/30/2011 | CN202059578U 一种硅麦克风封装 A silicone microphone package |
| 11/30/2011 | CN202059577U Automatic sheet coiling device |
| 11/30/2011 | CN102264025A 麦克风制作方法 Microphone production methods |
| 11/30/2011 | CN102264024A 一种喇叭弹波的装配治具 One kind of elastic wave horn assembly fixture |
| 11/30/2011 | CN101394682B 扬声器用防水音盆及其制造方法 Waterproof speaker cone and its manufacturing method |
| 11/30/2011 | CN101064969B 制作电容式麦克风元件的振膜的方法 Production diaphragm condenser microphone element method |
| 11/29/2011 | US8065788 Method for manufacturing a slider for a perpendicular magnetic recording head |
| 11/29/2011 | US8065787 Method of manufacturing a thermally assisted magnetic head |
| 11/29/2011 | US8065786 Manufacturing method of heat-assisted magnetic head constituted of slider and light source unit |
| 11/24/2011 | WO2011144438A1 Loudspeaker with interlocking magnet structure |
| 11/24/2011 | US20110286610 Surface micromachined differential microphone |
| 11/24/2011 | US20110285510 Implementation of On-Off Passive Wireless Surface Acoustic Wave Sensor Using Coding and Switching Techniques |
| 11/23/2011 | EP2389013A1 Loudspeaker with interlocking magnet structure |
| 11/23/2011 | CN202050540U Polarization device of electret |
| 11/23/2011 | CN102257837A Speaker unit, manufacturing method therefor and portable information terminal |
| 11/23/2011 | CN102257836A Carbonaceous sound vibratory plate and method for manufacturing same |
| 11/22/2011 | US8064170 Method to align a flexure tail having bent alignment tab feature to a flex cable of a head gimbal assembly |
| 11/22/2011 | US8064161 Perpendicular magnetic recording head and method for manufacturing the same |
| 11/22/2011 | US8061014 Method of assembling a cordless hand-held ultrasonic cautery cutting device |
| 11/16/2011 | EP2387256A1 Method for manufacturing a loudspeaker membrane |
| 11/16/2011 | CN102244830A Acoustic module, preparation method thereof and equipment with acoustic module |
| 11/16/2011 | CN102244829A Acoustic sensor having protective film and method of manufacturing the same |
| 11/16/2011 | CN101580222B Micro electromechanical component and manufacturing method thereof |
| 11/15/2011 | US8056214 Method of manufacturing magnetic head for perpendicular magnetic recording including two side shields |
| 11/15/2011 | US8056213 Method to make PMR head with integrated side shield (ISS) |
| 11/09/2011 | CN1859815B Polycrystal silicon vibration film silicon micro capacitor microphone chip and its preparing method |
| 11/09/2011 | CN102238463A Method and chip for integrating silicon microphone device with IC (integrated circuit) single chip |
| 11/09/2011 | CN102238461A Acoustic sensor and method of manufacturing the same |
| 11/09/2011 | CN101123827B Adhesion preventive silicon capacitance sound transmitter chip and its making method |
| 11/08/2011 | US8051552 Stitched wrap around shield fabrication for perpendicular magnetic recording write heads |
| 11/08/2011 | US8051551 Method for fabricating a magnetic head having selectively defined reader gap thicknesses |
| 11/08/2011 | CA2533212C Method for making a spiral array ultrasound transducer |
| 11/08/2011 | CA2482179C Thermoacoustic device |
| 11/03/2011 | US20110268310 Loudspeaker with an inverted motor |
| 10/27/2011 | WO2011132531A1 Ultrasound probe, production method therefor, and ultrasound diagnostic equipment |
| 10/27/2011 | WO2011132099A1 Microphone |
| 10/27/2011 | US20110261990 Speaker unit, manufacturing method thereof, and portable information terminal |
| 10/27/2011 | US20110260576 Electromechanical transducer and method for fabricating the same |
| 10/27/2011 | US20110258839 Method of manufacturing hearing devices |
| 10/26/2011 | EP2381699A1 Microphone |
| 10/26/2011 | EP2381698A1 Microphone |
| 10/26/2011 | EP1992290B1 Ultrasonic vibrator and body cavity ultrasonograph having the ultrasonic vibrator |